From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 12 Jul 2015 21:39:26 +0000 (-0400)
Subject: tune2fs: allow tune2fs to be built as a static library for Android
X-Git-Tag: v1.43-WIP-2016-03-15~73
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=273c2c5dfdd0d42736d8c57d0ba10e15e6c694cd;p=thirdparty%2Fe2fsprogs.git

tune2fs: allow tune2fs to be built as a static library for Android

Sync up with aosp's e2fsprogs commits:

    d25948b9b4a9e361ef071dc8175df0407f60b7e0
    e59f7c7cedb1e07eb4dbbb66e115c14faea19f19

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/lib/blkid/Android.mk b/lib/blkid/Android.mk
index 95fe681cf..8a7bdd2bb 100644
--- a/lib/blkid/Android.mk
+++ b/lib/blkid/Android.mk
@@ -19,6 +19,10 @@ libext2_blkid_shared_libraries := libext2_uuid
 
 libext2_blkid_system_shared_libraries := libc
 
+libext2_blkid_static_libraries := libext2_uuid_static
+
+libext2_blkid_system_static_libraries := libc
+
 libext2_blkid_c_includes := external/e2fsprogs/lib
 
 libext2_blkid_cflags := -O2 -g -W -Wall -fno-strict-aliasing
@@ -37,6 +41,18 @@ include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES := $(libext2_blkid_src_files)
+LOCAL_STATIC_LIBRARIES := $(libext2_blkid_static_libraries) $(libext2_blkid_system_static_libraries)
+LOCAL_C_INCLUDES := $(libext2_blkid_c_includes)
+LOCAL_CFLAGS := $(libext2_blkid_cflags) $(libext2_blkid_cflags_linux) -fno-strict-aliasing
+LOCAL_PRELINK_MODULE := false
+LOCAL_MODULE := libext2_blkid
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES := $(libext2_blkid_src_files)
 LOCAL_SHARED_LIBRARIES := $(addsuffix _host, $(libext2_blkid_shared_libraries))
 LOCAL_C_INCLUDES := $(libext2_blkid_c_includes)
diff --git a/lib/e2p/Android.mk b/lib/e2p/Android.mk
index 87a57ff21..3d7aad565 100644
--- a/lib/e2p/Android.mk
+++ b/lib/e2p/Android.mk
@@ -28,6 +28,8 @@ libext2_e2p_cflags := -O2 -g -W -Wall
 
 libext2_e2p_system_shared_libraries := libc
 
+libext2_e2p_system_static_libraries := libc
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(libext2_e2p_src_files)
@@ -41,6 +43,18 @@ include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES := $(libext2_e2p_src_files)
+LOCAL_C_INCLUDES := $(libext2_e2p_c_includes)
+LOCAL_CFLAGS := $(libext2_e2p_cflags)
+LOCAL_STATIC_LIBRARIES := $(libext2_e2p_system_static_libraries)
+LOCAL_PRELINK_MODULE := false
+LOCAL_MODULE := libext2_e2p
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES := $(libext2_e2p_src_files)
 LOCAL_C_INCLUDES := $(libext2_e2p_c_includes)
 LOCAL_CFLAGS := $(libext2_e2p_cflags)
diff --git a/lib/et/Android.mk b/lib/et/Android.mk
index c69eca390..5b6c969ff 100644
--- a/lib/et/Android.mk
+++ b/lib/et/Android.mk
@@ -26,6 +26,18 @@ include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES := $(libext2_com_err_src_files)
+LOCAL_C_INCLUDES := $(libext2_com_err_c_includes)
+LOCAL_CFLAGS := $(libext2_com_err_cflags)
+LOCAL_STATIC_LIBRARIES := libc
+LOCAL_MODULE := libext2_com_err
+LOCAL_MODULE_TAGS := optional
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES := $(libext2_com_err_src_files)
 LOCAL_C_INCLUDES := $(libext2_com_err_c_includes)
 LOCAL_CFLAGS := $(libext2_com_err_cflags)
diff --git a/lib/ext2fs/Android.mk b/lib/ext2fs/Android.mk
index 0e87943d9..cbfbe6528 100644
--- a/lib/ext2fs/Android.mk
+++ b/lib/ext2fs/Android.mk
@@ -92,6 +92,14 @@ libext2fs_shared_libraries := \
 
 libext2fs_system_shared_libraries := libc
 
+libext2fs_static_libraries := \
+	libext2_com_err \
+	libext2_uuid_static \
+	libext2_blkid \
+	libext2_e2p
+
+libext2fs_system_static_libraries := libc
+
 libext2fs_c_includes := external/e2fsprogs/lib
 
 libext2fs_cflags := -O2 -g -W -Wall
@@ -110,6 +118,18 @@ include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES := $(libext2fs_src_files)
+LOCAL_STATIC_LIBRARIES := $(libext2fs_static_libraries) $(libext2fs_system_static_libraries)
+LOCAL_C_INCLUDES := $(libext2fs_c_includes)
+LOCAL_CFLAGS := $(libext2fs_cflags) $(libext2fs_cflags_linux)
+LOCAL_PRELINK_MODULE := false
+LOCAL_MODULE := libext2fs
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES := $(libext2fs_src_files)
 LOCAL_SHARED_LIBRARIES := $(addsuffix _host, $(libext2fs_shared_libraries))
 LOCAL_C_INCLUDES := $(libext2fs_c_includes)
diff --git a/lib/support/Android.mk b/lib/support/Android.mk
index 7aa82cb06..e657edb0e 100644
--- a/lib/support/Android.mk
+++ b/lib/support/Android.mk
@@ -27,6 +27,20 @@ LOCAL_MODULE_TAGS := optional
 
 include $(BUILD_SHARED_LIBRARY)
 
+libext2_quota_static_libraries := libext2fs libext2_com_err
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(libext2_quota_src_files)
+LOCAL_C_INCLUDES := $(libext2_quota_c_includes)
+LOCAL_CFLAGS := $(libext2_quota_cflags)
+LOCAL_STATIC_LIBRARIES := libc $(libext2_quota_static_libraries)
+LOCAL_PRELINK_MODULE := false
+LOCAL_MODULE := libext2_quota
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(libext2_quota_src_files)
diff --git a/misc/Android.mk b/misc/Android.mk
index 689e12719..b328e14ea 100644
--- a/misc/Android.mk
+++ b/misc/Android.mk
@@ -74,6 +74,17 @@ tune2fs_shared_libraries := \
 
 tune2fs_system_shared_libraries := libc
 
+
+tune2fs_static_libraries := \
+	libext2_com_err \
+	libext2_blkid \
+	libext2_quota \
+	libext2_uuid_static \
+	libext2_e2p \
+	libext2fs
+
+tune2fs_system_static_libraries := libc
+
 include $(CLEAR_VARS)
 
 LOCAL_SRC_FILES := $(tune2fs_src_files)
@@ -88,6 +99,29 @@ include $(BUILD_EXECUTABLE)
 
 include $(CLEAR_VARS)
 
+LOCAL_SRC_FILES := $(tune2fs_src_files)
+LOCAL_C_INCLUDES := $(tune2fs_c_includes)
+LOCAL_CFLAGS := $(tune2fs_cflags)
+LOCAL_STATIC_LIBRARIES := $(tune2fs_static_libraries) $(tune2fs_system_static_libraries)
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+LOCAL_MODULE := tune2fs_static
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := $(tune2fs_src_files)
+LOCAL_C_INCLUDES := $(tune2fs_c_includes)
+LOCAL_CFLAGS := $(tune2fs_cflags) -DBUILD_AS_LIB
+LOCAL_STATIC_LIBRARIES := $(tune2fs_static_libraries) $(tune2fs_system_static_libraries)
+LOCAL_MODULE := libtune2fs
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
 LOCAL_SRC_FILES := $(tune2fs_src_files)
 LOCAL_C_INCLUDES := $(tune2fs_c_includes)
 LOCAL_CFLAGS := $(tune2fs_cflags)
diff --git a/misc/tune2fs.c b/misc/tune2fs.c
index f46251639..73f4bb6dd 100644
--- a/misc/tune2fs.c
+++ b/misc/tune2fs.c
@@ -2650,7 +2650,11 @@ fs_update_journal_user(struct ext2_super_block *sb, __u8 old_uuid[UUID_SIZE])
 	return 0;
 }
 
+#ifndef BUILD_AS_LIB
 int main(int argc, char **argv)
+#else
+int tune2fs_main(int argc, char **argv)
+#endif  /* BUILD_AS_LIB */
 {
 	errcode_t retval;
 	ext2_filsys fs;
@@ -3095,7 +3099,9 @@ retry_open:
 closefs:
 	if (rc) {
 		ext2fs_mmp_stop(fs);
+#ifndef BUILD_AS_LIB
 		exit(1);
+#endif
 	}
 
 	convert_64bit(fs, feature_64bit);
diff --git a/misc/tune2fs.h b/misc/tune2fs.h
new file mode 100644
index 000000000..897e3363c
--- /dev/null
+++ b/misc/tune2fs.h
@@ -0,0 +1,13 @@
+/*
+ * tune2fs.h - Change the file system parameters on an ext2 file system
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+/* Takes exactly the same args as the tune2fs exectuable.
+ * Is the entrypoint for libtune2fs.
+ */
+int tune2fs_main(int argc, char **argv);